492 20th Ave
San Mateo, CA 94403
2 bd 1 ba 1,050 sqft Built 1942 Lot 5,000 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $552,179 | $1,003,965 | $1,556,144 | $19,885 |
| 2024 | $552,179 | $1,003,965 | $1,556,144 | $19,412 |
| 2023 | $530,738 | $964,981 | $1,495,719 | $18,701 |
| 2022 | $520,332 | $946,060 | $1,466,392 | $18,572 |
| 2021 | $510,130 | $927,510 | $1,437,640 | $18,329 |
| 2020 | $504,900 | $918,000 | $1,422,900 | $17,602 |
| 2019 | $137,957 | $923,250 | $1,061,207 | $13,641 |
| 2018 | $135,252 | $905,148 | $1,040,400 | $13,316 |
| 2017 | $132,600 | $887,400 | $1,020,000 | $12,720 |
| 2016 | $130,000 | $870,000 | $1,000,000 | $12,517 |
| 2015 | $385,064 | $385,064 | $770,128 | $9,747 |
| 2014 | $377,522 | $377,522 | $755,044 | $9,786 |
| 2013 | $375,816 | $375,816 | $751,632 | $8,940 |
| 2012 | $368,448 | $368,448 | $736,896 | $8,862 |
| 2011 | $361,224 | $361,224 | $722,448 | $8,543 |
| 2010 | $358,525 | $358,525 | $717,050 | $8,458 |
| 2009 | $359,377 | $359,377 | $718,754 | $8,283 |
| 2008 | $352,331 | $352,331 | $704,662 | $8,071 |
| 2007 | $345,423 | $345,423 | $690,846 | $7,817 |
Property facts
Year built
1942
Property type
single_family
Stories
—
Beds
2
Baths
1
Living area
1,050 sqft
Lot size
5,000 sqft
ZIP code
94403
City
San Mateo
Street
20th Ave
Coordinates
37.54626, -122.31920
Comparable properties nearby
Frequently asked questions
When did 492 20th Ave last sell?
No public-record sale is on file for 492 20th Ave.
What is the current tax assessment for 492 20th Ave?
The most recent total assessment for 492 20th Ave (year 2025) is $1,556,144 with $19,885 in property tax.
When was 492 20th Ave built?
492 20th Ave was built in 1942.
How does 492 20th Ave compare to others on 20th Ave?
We track 8 other properties on 20th Ave. Browse the list under "Other properties on 20th Ave" to compare beds, baths, and sale history.
What are the property facts for 492 20th Ave?
492 20th Ave is a 2 bed, 1 bath, 1,050 sqft, 5,000 sqft lot single_family.
Is 492 20th Ave a flip candidate?
No — 492 20th Ave does not appear in our flips dataset.
Is 492 20th Ave a tax-appeal candidate?
No — 492 20th Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+1.9%
Implied 1-yr
+7.7%
2026 Q3
$2.08M
2026 Q4
$2.11M
ZIP 94403 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 20th Ave